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feat: Support installing higress to a K8s cluster with kernel version < 4.11 (#301)

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Kent Dong
2023-04-24 15:29:39 +08:00
committed by GitHub
parent 8c41dbc376
commit 4f16d6b70f
1 changed files with 12 additions and 2 deletions
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14
helm/core/templates/deployment.yaml
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@@ -1,3 +1,13 @@
{{- $unprivilegedPortSupported := true }}
{{- range $index, $node := (lookup "v1" "Node" "default" "").items }}
{{- $kernelVersion := $node.status.nodeInfo.kernelVersion }}
{{- if $kernelVersion }}
{{- $kernelVersion = regexFind "^(\\d+\\.\\d+\\.\\d+)" $kernelVersion }}
{{- if and $kernelVersion (semverCompare "<4.11.0" $kernelVersion) }}
{{- $unprivilegedPortSupported = false }}
{{- end }}
{{- end }}
{{- end -}}
apiVersion: apps/v1
kind: Deployment
metadata:
@@ -50,7 +60,7 @@ spec:
securityContext:
{{- if .Values.gateway.securityContext }}
{{- toYaml .Values.gateway.securityContext | nindent 8 }}
{{- else if and (not .Values.gateway.hostNetwork) (semverCompare ">=1.22-0" .Capabilities.KubeVersion.GitVersion) }}
{{- else if and $unprivilegedPortSupported (and (not .Values.gateway.hostNetwork) (semverCompare ">=1.22-0" .Capabilities.KubeVersion.GitVersion)) }}
# Safe since 1.22: https://github.com/kubernetes/kubernetes/pull/103326
sysctls:
- name: net.ipv4.ip_unprivileged_port_start
@@ -71,7 +81,7 @@ spec:
securityContext:
{{- if .Values.gateway.containerSecurityContext }}
{{- toYaml .Values.gateway.containerSecurityContext | nindent 12 }}
{{- else if and (not .Values.gateway.hostNetwork) (semverCompare ">=1.22-0" .Capabilities.KubeVersion.GitVersion) }}
{{- else if and $unprivilegedPortSupported (and (not .Values.gateway.hostNetwork) (semverCompare ">=1.22-0" .Capabilities.KubeVersion.GitVersion)) }}
# Safe since 1.22: https://github.com/kubernetes/kubernetes/pull/103326
capabilities:
drop: